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Information × Registration Number 0110U003596, ( 0211U004691  ) R & D request Title Carry out of researches and definition of external and internal friction angles of coal from layers of shaft OAS "Krasnodonvugillya" Head Костандов Юрій Аршавірович, Registration Date 06-07-2010 Organization popup.description1 popup.nrat_date 2024-12-10 Close